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Description

In the planning phase of machine projects, the cycle time is a determining parameter. At complex machines with subsystems, branching tracks of different logistics systems (rigid, flexible interlinked, robot linkage), the cycle time can only be determined with a simulation in advance. This simulation is an important step to e.g. detect Bottlenecks in advance and eliminate them.

Tasks

The following activities have to be performed in the scope of the project:

  • Incorporation into the simulation software Tecnomatrix
  • Utilization of the interfaces of Tecnomax
  • Utilization of existing data to create a simulation.
  • Development of product types

Objectives

  • Implementation of a software-generator, that creates the configuration in simulation environment from a modeled machine.

 

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Jonas Schmidbauer
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Exciting projects
up to date with research and technology

 

With our many years of experience in automation, manufacturing and software we are leaders and shapers of the production of the future. We are actively looking for collaboration with education and research to continue improving and always stay up to date with research and technology. Be a part of it! We are always looking for dedicated students and undergraduates that want to work on high-tech production of the future along with us.

Our offer

UNIVERSITIES / UNIVERSITIES OF APPLIED SCIENCE

  • Joint thesis, Master’s thesis, dissertation
  • Application for advertised topic or own proposal
  • Requirement: Application letter with curriculum vitae / higher school certificate / if already completed, the bachelor's certificate along with confirmation of enrollment of the current semester
  • Finalization of conditions on contractual basis incl. confidentiality agreement

POLYTECHNICAL COLLEGE

  • Joint thesis (final project)
  • Application for advertised topic
  • Requirement: Application with curriculum vitae / certificate of 3. Grade (until 12/15 of the previous year) / confirmation school administration about project contents in the curriculum
  • Start usually in the course of the 1. HY of the 5. grade / cooperation via traineeship contract (with compensation of any expenses and incl. confidentiality agreement)

INTERNSHIPS

STIWA also offers students the opportunity to gain valuable work experience through Internships. Vacation internships are possible at all Austrian locations in Attnang-Puchheim, Hagenberg and Gampern.

Requirements:

  • HAK, HTL, Gymnasium from 10th grade onwards
  • Letter of application with curriculum vitae
  • Deadline: December 15 of the current year
  • Assignment in January of the following year

 

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INTERNSHIP FOR STUDENTS

At our location in Hagenberg – adjacent to the local university Fachhochschule Hagenberg – our software development teams are creating software products in the field of manufacturing automation. We are implementing products in the area of data collection, operations, analysis, alarming & administration.
If you want to join our team for your internship - click the button below for further information! 

 

 

 

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Open topics


Universities / Universities of applied science

Motivation

STIWA Austria manufactures approximately 600,000 milling and turning parts in small series and as individual components. The supply of the processing machines with raw material is currently a manual activity.

 

Tasks

  • Research of automated raw material stocks
  • Rods, plates, steel, aluminum
  • Concept planning for automatic cutting
  • and providing raw material at lot size 1
  • Concept planning for automated
  • material flow
  • Costs/Benefits evaluation, ROI calculations

 

The processes in raw material stocks and during raw material preparation (cuts) should be adjusted to the new manufacturing concepts and optimized.

 

Tasks & goals

  • Concept for
  • automated raw material stocks
  • automated order-related cuts
  • JIT-supply of the raw material for manufacture

 

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Markus Heftberger
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Motivation

STIWA Austria manufactures approximately 600,000 milling and turning parts in small series and as individual components. The current quality assurance concepts are often based on a
tactile solution: 3D coordinate measuring machine, caliper etc. measuring programs and test concepts have to be created manually.

 

Tasks

  • Research of the optical test systems that are currently available on the market
  • Concept planning for the automatic comparison from check part to 3D model: How can measuring results be uniformly adjusted with the 3D model?
  • Concept for the result evaluation and further processing of quality data

 

The goal is to make a direct adjustment with the already available 3D model and get a quality evaluation via an optical system.

 

Tasks & goals

  • Automation concept check of milling and/or turning parts
  • User-friendly/automated check
  • Automatic adjustment with CAD
  • Decision support at quality deviation
  • Quality check at the push of a button

 

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Markus Heftberger
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Initial situation

For efficient development of the control concept for shock absorbers based on magnetorheological fluids (MRF), a suitable simulation model is necessary for conception, validation and optimization of various regulation methods. The modeling process includes the creation of a suitable differential equation system including limiting conditions, the implementation of Matlab/Simulink and the model validation and verifications based on test- and FE- or CFD-data. The inspection of control concepts is carried out based on a mass spring damper oscillator, where the damping element is supposed to the replaced by the previously mentioned model. After possible regulation processes have been researched and theoretically planned, they should be analyzed at the oscillation model and from there the requirements for the system are derived. Subsequently a listing of these processes with advantages and disadvantages, requirements and assessment of necessary sensor data has to be created for practical implementation.

 

Requirements

  • Finished bachelor's degree in the field mechatronics, automation engineering or mechanical engineering with focus on mechatronics or control technology
  • Knowledge in Matlab/Simulink
  • Knowledge in mathematical/physical (hydraulic) modeling
  • Interest in mathematical modeling and numerical simulation

 

Task

  • Draft of a mathematical simulation model of a MRF shock absorber
  • Creation of a mass spring damper oscillating model including MRF shock absorber model
  • Research of suitable regulation processes
  • Inspection of regulation processes at the mass spring damper oscillating model
  • Definition of necessary system requirements for potential regulation processes
  • Comparison of relevant regulation processes

 

Duration

One semester

 

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Bernhard Hofer
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Motivation

Our control station software ZPoint-Cl represents the connecting link between the IT infrastructure of the planning level (ERP systems) and the machine level.

The IT infrastructure of the planning level varies from customer to customer. To connect them with one another, certain interfaces are necessary. Customer-specific extensions of the control station software are created that extract data from other systems, transform them if necessary and pass them on to the other system. These extensions are implemented as an additional software product.

It has to be analyzed which technologies/frameworks provide a connection as a modular. Thereby a configuration should be facilitated in the future.

Content

The following activities have to be carried out:

  • Requirements engineering
  • Evaluation which technologies support the requirements and processes in the beast way possible
  • Conception of a solution and technology selection
  • Proof of Concept, to evaluate solution/technology

Objective

  • Connections to ERP systems should be possible in modular design
  • From individual systems data should be extracted/transformed and forwarded to the system
  • A connection of our control station software to an ERP system should be able to be configured with as little implementation activity
    as possible

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Daniel Rudelstorfer
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Description

A core competence of STIWA Group is the conception and building of oscillating conveyor devices for high performance assembly automation. With these conveyors, individual components are provided by assembly groups for the assembly process. For oscillating conveyors of this kind, every individual conveying track has to be specifically adjusted to the respective conveyor section. Until today this process is still carried out empirically and is therefore extremely time consuming and therefore very costly.

Via a simulation this creation process should be facilitated and accelerated in the future. Because the conveying process is very turbulent, the simulation result depends highly on how precisely the parameters are set.

This simulation device is currently in development stage and the task of this work is, on one hand, the identification of the contact parameters, that illustrate the physical contact between conveying track and conveyor section. And on the other hand the sensitivities towards geometric
characteristics have to be analyzed.

Objectives

The following activities have to be performed in the scope of the project:

  • Conception of test structures
  • Compiling of measured data about the oscillating conveyor process
  • Parameter identification for MKS simulation based on compiled measured values:
    • Identification of parameters of the contact model (rigidity, restitution, friction) when using the optimizer SyMSpace
    • Simulation of the conveying process with identified contact parameters and coordination of the MKS model (initial conditions, statistical evaluation criteria, etc.)

 

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Daniel Six
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Description

Always new and more complex production processes pose new challenges for the manufacturers as well as the operating companies of automated machines. To keep developing high performance automation, a sophisticated data management with corresponding data analysis is necessary.
The quality of the created product is dependent on many factors, like e.g. the setting values of a machine, the quality of processed parts, the manufacturing processes and much more. To gain new insights about the connections in production, apart from the conventional descriptive statistics, modern models with machine learning have to be created. This project tries to find connections between the various influencing factors in order to identify the cause in case a problem arises and generate suggested solutions.

Tasks

  • Finding appropriate procedures and algorithms
  • Correlation analysis
  • Train and evaluate models
  • Prototype implementation of models into a machine learning pipeline
  • Application and comparison of algorithms
  • Coding language: Python or R. When using frameworks or libraries, there are no restrictions

Objectives

  • Finding connections between production processes
  • Creating models of processes via neural networks
  • Develop a KI expert system which generates suggested actions

 

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Stefan Stricker
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Description

The optimal usage of existing resources takes a lot of effort today. A lot of IT systems run on low utilization, the available resources can not be used optimally. The goal of this thesis is to efficiently utilize these resources via a
GRID computing cluster.

Tasks

The following activities have to be performed in the scope of the project:

  • Grid computing cluster basics
  • Mesh-networking with focus on security
  • Services executable in container (Docker) and native (Windows, Linux), preferably Net 5
  • Autom. distribution across available resources
  • Comparison with current Eu projects Pledger and Decenter

Objectives

  • Development of executable product types

 

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Darijo Trupina
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Motivation

When connecting machines to our control station software AMS ZPoint-Cl, functions for communication within the processes of the stations of the machine are integrated on the control side and the product is adjusted to the requirements of the machine on the configuration side. In doing so all data of the connection is recorded and the processes are checked. This check is carried out manually
based on recorded data and includes specified test cases.

Aim of the work is to find possibilities for automation of the data check. The basis for this are the logged data of the communication between systems and the recorded production data. This data is analyzed with specified test cases and the result of the data check is visualized.

Content

The following activities have to be carried out:

  • Requirements engineering
  • Evaluating which technologies for the automated data check supports the necessary processes and requirements
    in the best way possible
  • Conception of a solution and technology selection
  • Realization of a prototype in accordance with stakeholders

Objective

  • Creation of test cases for automated data check as a base for the machine programmer
  • Exptention possibility of the test cases due to start-up team of the machine (e.g. machine programmer)
  • The automated data check should be feasible for STIWA as well as the start-up team

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Daniel Rudelstorfer
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Description

Too meet the high requirements of modern assembly and manufacturing automation to control engineering, STIWA has been developing the GML-CI automation concept since over 20 years. The cooperation of a special graphical coding language for the development of PLC programs with a standardized package of repeatedly tested PLC program modules and a kit of development tools makes GML-Cl a key technology in STIWA mechanical engineering. From the semi-automated manual workstation to highly automated manufacturing machines with over 50 PLC computers, in the recent years hundreds of machine projects were processed successfully in control engineering via GML-Cl automation concept”. The demand for more independence in control hardware as well as the advantages of runtime systems of modern coding languages necessitate the revision of proven concepts.

Tasks

  • Revision of the GML language draft
  • Evaluation of similar language concepts
  • Object-oriented modeling of runtime systems
  • Technology evaluation for the redesign of a future graphical programming system
  • Considerations on user-friendliness of the system
  • Considerations on data persistence and online campaign
  • Considerations on error handling
  • Considerations on sending events
  • Considerations for sending events triggered from “outside” (e.g. emergency stop)

Objectives

  • Operational prototype in target language (e.g. Python)
  • Revised language draft (object oriented)
  • Technology decision for a future graphical programming system (possibly prototype)

 

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Klaus Marschner
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Description

As of today, it is not possible from a construction standpoint to search existing machines for certain objects and processes and to pick up and reuse this knowledge in the appropriate form. To create a joined data base about the entire machine or more machines, the existing data was depicted in a network via an internally developed data model, the so called PPR Asset Network.
For example, you want to inquire the power of all screwdrivers with the maximum torque x [Nm] in the machines of a certain customer.

Tasks

The following activities have to be performed in the scope of the project:

  • Realization of existing inquiry - Use Cases in the shape of inquiries on graphs in Cypher
  • Utilization of defined filter criteria of the created inquiries
  • Offering the inquiries in a language that is understandable for the design engineers (possibly by the means of the consisting
    system catalog)

Objectives

  • Allow the design engineers an independent inquiry for existing machines regarding used construction elements and/or processes, as well as filtering it in a language that is understandable for them.

 

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Sarah Pürimayr
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Description

In the planning phase of machine projects, the cycle time is a determining parameter. At complex machines with subsystems, branching tracks of different logistics systems (rigid, flexible interlinked, robot linkage), the cycle time can only be determined with a simulation in advance. This simulation is an important step to e.g. detect Bottlenecks in advance and eliminate them.

Tasks

The following activities have to be performed in the scope of the project:

  • Incorporation into the simulation software Tecnomatrix
  • Utilization of the interfaces of Tecnomax
  • Utilization of existing data to create a simulation.
  • Development of product types

Objectives

  • Implementation of a software-generator, that creates the configuration in simulation environment from a modeled machine.

 

Download details

Jonas Schmidbauer
Contact projects and works

Description

Spark erosive cutting (wire-EDM) is an important production step when manufacturing highly tensioned active parts in STIWA mechanical engineering and toolmaking. The process allows the realization of complex geometries from various hard materials, which is not possible anymore via machining in many cases and very cost intensive. In the eroding process there are different, disadvantageous influences at the component skin zone, whose characteristics are highly dependent on process conditions. The quality of the eroding process as well as preparatory and following manufacturing processes therefore has immediate effect on component quality.

Tasks

The following activities have to be carried out in the scope of the project and the results have to be written down in a scientific work:

  • Recording of current component quality via metallurgical examinations
  • Analysis of the current process chain at STIWA from the decision, a component from eroding until part finish for selected materials
  • Detecting of optimization potentials of the process chain that could contribute to improvement of the component quality
  • Creation of experimental designs
  • Evaluating of parameter adjustments in the process chain according to suitable evaluation criteria

Objectives

  • Development of a reproducible manufacturing process to significantly raise the service life of tool components
  • Stabilizing of surface damage due to the eroding process to the lowest possible level
  • Optimal utilization of the potential of used materials
  • Economical aspects should be taken into account

 

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Manfred Rahofer
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Opentopics


Polytechnical colleges

Motivation

STIWA building automation regulates the entire distribution of the warming and cooling energy needed in a building and during production. This is how e.g. the waste heat from production machines is used for heating other parts of the building. To use the waste heat from machines for heating the entire building, the temperature of the cooling water has to be increased. This is carried out via multiple large industrial heat pumps with over 100kW power each. Our power stations consistently provide required heat flow volumes as well as cooling energies according to the demand. Sometimes the heat pumps are only switched on briefly.

 

Problem definitions

  • Heat pumps have a minimum runtime until they are switched on. During this time, the provided power has to be used even though it is not needed.
  • Individual heat pumps are switched on due to strict limits. Short temperature fluctuations could therefore lead to the requirement of an additional heat pump.
  • Subsequently the heat pumps are switched on more often then actually needed. Frequent starting shortens the service life of the heat pumps.

 

Tasks & goals

  • The goal is to develop a Fuzzy-Controller, that enables cascade control of multiple heat pumps.
  • The design of the Fuzzy-Controller has to be documented so that the regulation can be programmed.
  • The function of the Fuzzy-Controller has to be simulated in Excel.

 

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Johann Brandmayr
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Mag. Constanze Wagner
Human Resources
Daniela Kaml
Human Resources